<script type="module">
	{
		let {toString: s} = 123
		let {toString: x} = true
		
		document.write(`将变量123转换成数字，并赋值给 s：${s === Number.prototype.toString}<br></br>`);
		document.write(`将变量true转换成数字，并赋值给 x：${x === Boolean.prototype.toString}<br></br>`);
	}
</script>